Phthalocyanine is a synthetic blue-green pigment widely used in dyes, inks, and coatings. It is known for its vibrant color and excellent stability, making it a popular choice in various industries, including textiles and plastics. The compound is composed of a large, planar structure that allows it to absorb light effectively. In addition to its use as a pigment, phthalocyanine has applications in electronics and solar cells due to its semiconducting properties. It can also be used in medical imaging and photodynamic therapy, showcasing its versatility beyond just coloring materials.